private void DisconnectCallback(Session session, ServerConnectionStatusUpdateEventArgs args)
{
Logger.Info($"NotConnectedHandler called for {session} with status {session.ConnectionStatus.ToString()}.");
if (session.ConnectionStatus != ServerConnectionStatus.Disconnected)
{
return;
}
Logger.Info($"The connection {session} is disconnected.");
MonitoringStarted = false;
StartConnectionEstablishment();
}
private void ReconnectCallback(Session session, ServerConnectionStatusUpdateEventArgs args)
{
Logger.Info($"PostConnectionHandler called for {session} with status {session.ConnectionStatus.ToString()}.");
if (session.ConnectionStatus != ServerConnectionStatus.Connected)
{
return;
}
Logger.Info($"Connection {session} to ServerConsole established.");
StartMonitoringImpl();
}
private static void Session_ConnectionStatusUpdate(Session sender, ServerConnectionStatusUpdateEventArgs e)
{
switch (e.Status)
{
case ServerConnectionStatus.Connected:
case ServerConnectionStatus.Connecting:
case ServerConnectionStatus.SessionAutomaticallyRecreated:
case ServerConnectionStatus.ConnectionErrorClientReconnect:
break;
case ServerConnectionStatus.LicenseExpired:
break;
default:
break;
}
Console.WriteLine(sender.ConnectionStatus);
}
/// <summary>
///
/// </summary>
private void Session_ServerConnectionStatusUpdate(Session sender, ServerConnectionStatusUpdateEventArgs e)
{
if (this.InvokeRequired)
{
this.BeginInvoke(new ServerConnectionStatusUpdateEventHandler(Session_ServerConnectionStatusUpdate), sender, e);
return;
}
// check that the current session matches the session that raised the event.
if (!Object.ReferenceEquals(m_Session, sender))
{
return;
}
lock (this)
{
bool bClearControls = false;
switch (e.Status)
{
case ServerConnectionStatus.Disconnected:
m_bConnected = false;
// Update Button
ConnectDisconnectBTN.Text = "Connect";
// Update ToolStripMenu
connectToolStripMenuItem.Enabled = true;
disconnectToolStripMenuItem.Enabled = false;
// Set enabled state for combobox
UrlCB.Enabled = true;
// Update status label.
toolStripStatusLabel.Text = "Disconnected";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
// clear controls
bClearControls = true;
break;
case ServerConnectionStatus.Connected:
m_bConnected = true;
// Update Button
ConnectDisconnectBTN.Text = "Disconnect";
// Update ToolStripMenu
connectToolStripMenuItem.Enabled = false;
disconnectToolStripMenuItem.Enabled = true;
// Set enabled state for combobox
UrlCB.Enabled = false;
// Aggregate the UserControls.
_browseControlses.Session = m_Session;
attributeListControl.Session = m_Session;
monitoredItems_Control.Session = m_Session;
// Update status label.
toolStripStatusLabel.Text = "Connected to " + m_Session.EndpointDescription.EndpointUrl;
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.success;
// Browse first level.
_browseControlses.Browse(null);
break;
case ServerConnectionStatus.ConnectionWarningWatchdogTimeout:
// Update status label.
toolStripStatusLabel.Text = "Watchdog timed out";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
break;
case ServerConnectionStatus.ConnectionErrorClientReconnect:
// Update status label.
toolStripStatusLabel.Text = "Trying to reconnect";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
break;
case ServerConnectionStatus.ServerShutdownInProgress:
// Update status label.
toolStripStatusLabel.Text = "Server is shutting down";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
break;
case ServerConnectionStatus.ServerShutdown:
// Update status label.
toolStripStatusLabel.Text = "Server has shut down";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
break;
case ServerConnectionStatus.SessionAutomaticallyRecreated:
// Update status label.
toolStripStatusLabel.Text = "A new Session was created";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.success;
// clear controls
bClearControls = true;
break;
case ServerConnectionStatus.Connecting:
// Update status label.
toolStripStatusLabel.Text = "Trying to connect to " + ((m_Session.EndpointDescription != null) ? m_Session.EndpointDescription.EndpointUrl : "<unknown>");
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
break;
case ServerConnectionStatus.LicenseExpired:
// Update status label.
toolStripStatusLabel.Text = "The license has expired.";
toolStripStatusLabel.Image = RabbitMQ_SendClient.Properties.Resources.warning;
// disable GUI
serverToolStripMenuItem.Enabled = false;
subscriptionToolStripMenuItem.Enabled = false;
ConnectDisconnectBTN.Enabled = false;
UrlCB.Enabled = false;
bClearControls = true;
break;
}
if (bClearControls)
{
// Cleanup attribute list.
this.attributeListControl.AttributeList.Items.Clear();
// Cleanup treeview.
_browseControlses.BrowseTree.BeginUpdate();
_browseControlses.BrowseTree.Nodes.Clear();
_browseControlses.BrowseTree.EndUpdate();
// Aggregate the UserControls.
_browseControlses.Session = null;
attributeListControl.Session = null;
monitoredItems_Control.Clear();
}
}
}
/// <summary>
/// receive updates about session state.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
///
private void Session_ServerConnectionStatusUpdate(Session sender, ServerConnectionStatusUpdateEventArgs e)
{
// Previously, this was : "InvokeRequired". But I don't see the best way to replace it in WPF : there is a problem with disconnection
// The actual way with dispatch is the good way
if (!Dispatcher.CheckAccess()) // CheckAccess returns true if you're on the dispatcher thread
{
Dispatcher.BeginInvoke(new ServerConnectionStatusUpdateEventHandler(Session_ServerConnectionStatusUpdate), sender, e);
return;
}
//// check that the current session matches the session that raised the event.
//if (!Object.ReferenceEquals(m_OPCUA_client.Session, sender))
//{
// return;
//}
lock (this)
{
bool allowEditing = true;
switch (e.Status)
{
case ServerConnectionStatus.Disconnected:
// update status label
allowEditing = false;
lbl_ConnectionState.Content = "Disconnected";
// update buttons
StopButtonBT(bt_connect_play);
StopButtonBT(bt_statusConnection);
//TODO
//btnMonitor.Text = "Monitor";
break;
case ServerConnectionStatus.Connected:
// update status label
allowEditing = true;
lbl_ConnectionState.Content = "Connected";
// update buttons
ActiveButtonBT(bt_connect_play);
ActiveButtonBT(bt_statusConnection);
break;
case ServerConnectionStatus.ConnectionWarningWatchdogTimeout:
// update status label
lbl_ConnectionState.Content = "ConnectionWarningWatchdogTimeout";
break;
case ServerConnectionStatus.ConnectionErrorClientReconnect:
// update status label
lbl_ConnectionState.Content = "ConnectionErrorClientReconnect";
break;
case ServerConnectionStatus.ServerShutdownInProgress:
// update status label
lbl_ConnectionState.Content = "ServerShutdownInProgress";
break;
case ServerConnectionStatus.ServerShutdown:
// update status label
lbl_ConnectionState.Content = "ServerShutdown";
break;
case ServerConnectionStatus.SessionAutomaticallyRecreated:
// update status label
lbl_ConnectionState.Content = "SessionAutomaticallyRecreated";
break;
case ServerConnectionStatus.Connecting:
// update status label
lbl_ConnectionState.Content = "Connecting";
break;
case ServerConnectionStatus.LicenseExpired:
// update status label
lbl_ConnectionState.Content = "LicenseExpired";
break;
}
// Toggle Textboxes
txb_ServerURL.IsEnabled = !m_OPCUA_client.IsConnected;
// Toggle action buttons
btn_Read.IsEnabled = allowEditing;
//TODO
//btnReadAsync.Enabled = allowEditing;
//btnMonitor.Enabled = allowEditing;
//btnWrite.Enabled = allowEditing;
//btnWriteAsync.Enabled = allowEditing;
}
}
//TODO skal fjernes herfra og ned (read metoder)
private void StatusUpdateHandler(Session s, ServerConnectionStatusUpdateEventArgs e)
{
Console.WriteLine("succ");
}
/// <summary>
/// Triggers if the connection status of the current session has changed
/// </summary>
/// <param name="sender"></param>
/// <param name="serverConnectionStatusUpdateEventArgs"></param>
private void SessionOnConnectionStatusUpdate(Session sender,
ServerConnectionStatusUpdateEventArgs serverConnectionStatusUpdateEventArgs)
{
Logger.Trace($"Connection status has changed to {sender.ConnectionStatus}");
}
